title: The absence of triphosphate or metaphosphate residues from lipopolysaccharides of the seven Fisher immunotypes of Pseudomonas aeruginosa.
mesh_terms: D008070:Lipopolysaccharides; D009682:Magnetic Resonance Spectroscopy; D010710:Phosphates / Q000032:analysis*; D011550:Pseudomonas aeruginosa / Q000032:analysis*
chemical_list: D008070:Lipopolysaccharides; D010710:Phosphates